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{
    "ok": true,
    "app": "brain_post",
    "generated_at": "2026-06-13T09:21:37+00:00",
    "caption_source": "openai",
    "input": {
        "date_key": "2026-06-13",
        "date": "Saturday 13/06/2026",
        "content_type": "probability puzzle",
        "topic_group": "maths_and_numbers",
        "topic": "prime numbers",
        "difficulty": "medium",
        "tone": "surprising",
        "audience": "general Facebook audience"
    },
    "output": {
        "date": "Saturday 13/06/2026",
        "content_type": "probability puzzle",
        "difficulty": "medium",
        "topic_group": "maths_and_numbers",
        "topic": "prime numbers",
        "sequence_pattern": null,
        "short_caption": "Probability Challenge",
        "image_text": "Pick one number from 1 to 10. What is the chance it is a prime number?",
        "long_caption": "Quick maths challenge: if you choose one whole number from 1 to 10 at random, what is the chance that it is a prime number? Share your answer in the comments before scrolling past. Keep it simple, and see if you can explain your thinking in one line.",
        "answer": "2/5",
        "explanation": "The prime numbers from 1 to 10 are 2, 3, 5, and 7. That is 4 prime numbers out of 10 total numbers, so the probability is 4/10, which simplifies to 2/5.",
        "answer_comment": "The chance is 2/5. There are 4 prime numbers from 1 to 10: 2, 3, 5, and 7. So the probability is 4 out of 10, which simplifies to 2/5.",
        "should_post_answer_comment": true,
        "hashtags": [
            "#MathsChallenge",
            "#ProbabilityPuzzle",
            "#PrimeNumbers",
            "#BrainChallenge",
            "#QuickQuiz"
        ],
        "facebook_caption": "Quick maths challenge: if you choose one whole number from 1 to 10 at random, what is the chance that it is a prime number? Share your answer in the comments before scrolling past. Keep it simple, and see if you can explain your thinking in one line.\n\n#MathsChallenge #ProbabilityPuzzle #PrimeNumbers #BrainChallenge #QuickQuiz"
    },
    "image": {
        "image_path": "assets/output/brain-post-2026-06-13-probability-puzzle-1781342497.jpg",
        "image_url": "https://genius.szlasa.com/assets/output/brain-post-2026-06-13-probability-puzzle-1781342497.jpg",
        "background": "picsum-20260613-092137-04547d3f.jpg",
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        "status": "generated",
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        "expires_at": "2026-06-14T09:21:37+00:00"
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}